Low fiber diet is low residue diet.
Residue refers to undigested food or fibers that make up part of the stool. A low residue diet reduces the frequency and volume of stool while prolonging the time it takes food to travel the intestine.
You should avoid the following food items: whole wheat breads, cereals, crackers and rolls; whole wheat pasta, brown or wild rice; any item with nuts, seeds and fruits; buckwheat, granola, cornbread, pumpernickel bread; tough meat and meat items with skin; raw fruits, prunes and prune juice, berries, raisins and dried fruits; raw or partially cooked vegetables. You should also avoid milk and milk products.
If you are on a low residue diet, you may be allowed to have white bread, rolls and biscuits; white rice or noodles; plain crackers, potato rolls, skinless cooked potato; skinless chicken, skinless turkey, fish and other sea food; canned fruits without seeds or skin; eggs; vanilla wafers.
If you are on a low fiber diet, you can have a clear liquid diet. Clear liquid diet excludes red and purple colored substances. Alcohol is also not allowed. Examples of clear liquid diet include water, tea, plain coffee, lemonade from powdered mix, carbonated beverages and soda, clear juices such as apple and white grape, plain or flavored gelatin, sports drinks such as Gatorade® , All-Sports®, Powerade®; sorbet, popsicles, honey, sugar, hard candy, fat-free broth, bouillon or consommé.
For a complete list of low fiber diet, read THIS.